... , ic board , cmos chip .Greeting CardsMusical chip with music playing or re-recordable function, ideal choice for your ... light, voice, vibration, PIR, etcFunction: pre-recorded or recordable, with LED flash (optional)Messages: voice, music, and sound, customized ... more if requiredComponents: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more or less for different items